PD-1/PD-L1-CXCR3 Coexpression and CXCR3 on Intermediate Monocytes Predict Fibrosis, Leukemic Transformation, and Survival in Egyptian Philadelphia-Negative Myeloproliferative Neoplasms. - Sherief, Dalia E; Elmezien, Rawan Ahmed; Nosair, Nahla; Othman, Amira AA; Sadaka, Emad; Elgamal, Rasha (Clinical Medicine Insights: Oncology, 2026)